If a mogile device isn't mounted yet, check to make sure the underlying filesystem has the directory set to be not readable or writable at all (chmod 0). This could help prevent mogstored from accidentally writing to the underlying filesystem.

This tool mounts disks, and disks hold data, so naturally you should be afraid. Real the source code to see what it does. This tool comes with no warranty of any kind. You're response for its use or misuse.